Question

Which discovery ultimately overturned the prevailing perception that all dinosaurs were large, slow, and lumbering? which discovery ultimately overturned the prevailing perception that all dinosaurs were large, slow, and lumbering?

Answer 1

There were a few discoveries that overturned this perception:1. Compsognathus fossil which showed a dinosaur about the same size as a chicken.2. Pterosaur which had wings and hollow bones.3. Deinonychus discovery, which proved to have claws on its hind limbs, which helped it run fast.